The flagship of all the Mac lineup, the iMac got its eighth model upgrade. The latest model is insanely thin just 5mm and there’s an entire computer in there. Apple used a technique called friction stir welding to create the new machine, which it says has much less reflection than previous displays.

The new iMac comes in two sizes: 27 inches, with a 2560 x 1440 display, and 21.5 inches with a 1920 x 1080 screen, both having 178-degree viewing angles. It also has a new Apple Fusion Drive, a 128GB SSD and a 1TB or 3TB hard drive that is actually a single drive, with applications and OS stored on the SSD and documents on the sata drive.

The new iMac comes with a wireless keyboard and mouse, as always. A 21.5-inch model starts at just $1,299 shipping next month, whereas the larger 27-inch model will start at $1,799 and will be available in December.

Look at the press release below for more details.

SAN JOSE, California—October 23, 2012—Apple today unveiled a completely new iMac with a stunning design, brilliant display with reduced reflection, and faster processors.* With third generation Intel quad-core processors, powerful NVIDIA graphics and an innovative new storage option called Fusion Drive, the new iMac is the most advanced desktop Apple has ever made.

“With a stunning design, brilliant display and faster performance, we’ve made the world’s leading all-in-one desktop computer better in every way,” said Philip Schiller, Apple’s senior vice president of Worldwide Marketing. “The all-new iMac is unbelievably thin, yet packs an incredible amount of performance and technology into our most innovative desktop.”

Redesigned from the inside out, the new iMac packs high-performance technology into an aluminium and glass enclosure with up to 40 percent less volume than its predecessor and an edge that measures just 5 mm thin. Built with an unprecedented level of fit and finish, the new iMac delivers an amazing desktop experience in a gorgeous design. The new iMac also features a completely reengineered display that reduces reflection by 75 percent while maintaining brilliant colour and contrast. In the new design, the cover glass is fully laminated to the LCD and an anti-reflective coating is applied using a high-precision plasma deposition process. Every iMac display is individually calibrated using an advanced spectroradiometer.

The new iMac features third generation quad-core Intel Core i5 processors that can be upgraded to Core i7. The latest NVIDIA GeForce processors deliver up to 60 percent faster performance for advanced gaming and graphics intensive apps. Every new iMac now comes standard with 8GB of 1600 MHz memory and a 1TB hard drive, and customers can choose to configure their iMac with up to 32GB of memory and a new 3TB hard drive, or 768GB of flash storage for ultimate performance. With two Thunderbolt and four USB 3.0 ports, the new iMac delivers even greater expandability and support for high-performance peripherals.

Fusion Drive is an innovative new storage option that gives customers the performance of flash storage and the capacity of a hard drive. It combines 128GB of flash with a standard 1TB or 3TB hard drive to create a single storage volume that intelligently manages files to optimize read and write performance. Fusion Drive adapts to the way you use your iMac and automatically moves the files and apps you use most often to flash storage to enable faster performance and quicker access.

Apple also updated the Mac mini with third generation dual-core Intel Core i5 and quad-core Intel Core i7 processors that are up to twice as fast and have integrated graphics that are up to 65 percent faster.** Mac mini comes standard with 4GB of 1600 MHz memory with support for up to 16GB. Retaining its amazingly compact aluminum design, the new Mac mini now includes four USB 3.0 ports in addition to its Thunderbolt, HDMI, SDXC, Gigabit Ethernet, and FireWire® 800 ports.

Both iMac and Mac mini meet stringent Energy Star 5.2 requirements and achieve an EPEAT Gold rating.*** iMac uses up to 50 percent less energy than the previous generation when idle, and features LED-backlit displays that are mercury-free and made with arsenic-free glass. Mac mini retains its status as the world’s most energy efficient desktop computer, using only 11W when idle. Both the iMac and Mac mini include PVC-free components and cables, contain no brominated flame retardants, and use highly recyclable materials and material-efficient packaging designs.

iMac and Mac mini ship with OS X Mountain Lion, bringing Messages, Notification Center, system-wide Sharing, AirPlay Mirroring, Dictation, Game Center and the enhanced security of Gatekeeper to your Mac. With iCloud built into the foundation of OS X, Mountain Lion makes it easier than ever to keep your content up to date across your Mac, iPhone, iPad and iPod touch.

Pricing & Availability
The 21.5-inch iMac is available with a 2.7 GHz quad-core Intel Core i5 with Turbo Boost speeds up to 3.2 GHz and NVIDIA GeForce GT 640M for a suggested retail price of INR 85.900 inc VAT ; and with a 2.9 GHz quad-core Intel Core i5 with Turbo Boost speeds up to 3.6 GHz and NVIDIA GeForce GT 650M for a suggested retail price of INR 99,900 inc VAT. The 21.5-inch iMac will be available in November through Apple Authorized Resellers.

The 27-inch iMac is available with a 2.9 GHz quad-core Intel Core i5 with Turbo Boost speeds up to 3.6 GHz and NVIDIA GeForce GTX 660M for a suggested retail price of INR 122,900 inc VAT ; and with a 3.2 GHz quad-core Intel Core i5 with Turbo Boost speeds up to 3.6 GHz and NVIDIA GeForce GTX 675MX for a suggested retail price of INR 134,900 inc VAT. The 27-inch iMac will be available in December through Apple Authorized Resellers.

The Mac mini is available with a 2.5 GHz dual-core Intel Core i5 with Turbo Boost speeds up to 3.1 GHz, 4GB of memory and a 500GB hard drive for a suggested retail price of INR 39,900 inc VAT; a 2.3 GHz quad-core Intel Core i7 with Turbo Boost speeds up to 3.3 GHz, 4GB of memory and a 1TB hard drive for a suggested retail price of INR 52,900 inc VAT; and a 2.3 GHz quad-core Intel Core i7 with Turbo Boost speeds up to 3.3 GHz, OS X Server, 4GB of memory and two 1TB hard drives for a suggested retail price of INR 65,900 inc VAT. The Mac mini is available today through Apple Authorized Resellers.